river exe

Question 1

total annual precipitation

Answer 1

1295mm

Question 2

what percentage of percentage of rainfall leaves through river discharge

Answer 2

60%

Question 3

physical factor effecting the run off (high)

Answer 3

the 85% underlain bedrock in the catchment

Question 4

main land use in the upper catchment

Answer 4

67% agriculture
15% woodland
3% moorlands

Question 5

what does low woodland cause

Answer 5

high river discharge
lots of run off
less interception
less water take up by plants

Question 6

main towns and inhabitants

Answer 6

exmouth and exmoor
11,000

Question 7

key human activity in the past that contribute to the flashiness

Answer 7

drainage ditch to make land easier for grazing

replacing woodland for grazing grounds

Question 8

factors making the river exe less flashy

Answer 8

wimbleball reservoir on river Haddeo regulating water flow

Question 9

who is the leaders of the peat bog restoration protocol

Answer 9

Exmoor mires partnership

dip wells to measure the change in water table

blocked drainage ditches

Question 10

role of peat bogs on carbon cycle

Answer 10

huge carbon sink and absorb lots of carbon in the water because of the sphagnum moss,

Question 11

what did the drainage ditches cause to the peat bogs

Answer 11

caused them to dry out making them more susceptible to erosion them the carbon was transported in the water making the water brown and polluted. loss of carbon can turn peats from sink to source

Question 12

what does blocking drainage basins do to water purity and carbon cycle

Answer 12

results in wetter, and healthier peatlands increasing carbon storage leading to less carbon in water